Cover for an instrument delivery arm



FIG. 1 is a perspective view of the cover for an instrument delivery arm;

FIG. 2 is a left side elevational view thereof with the right side elevational view being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a cover for an instrument delivery arm, as shown and described. 